Canada, 1917, 3¢ Confederation. Mathematically centered with wide margins, bright paper and immaculate, never hinged o.g., a choice and truly Superb gem, a surprisingly difficult stamp to find in this choice condition. Unitrade No. 135 C$180 ($183). Scott No. 135  $100. $0 (Image)

Canada, 1917, 3¢ Confederation. Bottom left "Ottawa-No.-8 943 C" plate no. block of eight, o.g., lightly hinged (6 stamps never hinged), attractively centered, some perf strengthening, tiny natural inclusion, otherwise Fine. Scott No. 135  Estimate $200 - 300. $0 (Image)